QUACH THANH HAI; LE HUYNH LY; DO DUC TRI. Carrier pwm with multi control-voltages for five level hybrid inverter. Journal of Technical Education Science, [S. l.], v. 12, n. 1, p. 15–21, 2017. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/366. Acesso em: 7 apr. 2026.